now requires the newest version of Net::Connection and add WChan

This commit is contained in:
Zane C. B-H 2019-08-11 05:02:37 -05:00
parent f6103c5bd0
commit f71b83f6cc
3 changed files with 305 additions and 20 deletions

View File

@ -11,11 +11,11 @@ Net::Connection::Match::Command - Check if the process command matches fix regex
=head1 VERSION
Version 0.0.0
Version 0.1.0
=cut
our $VERSION = '0.0.0';
our $VERSION = '0.1.0';
=head1 SYNOPSIS
@ -129,28 +129,34 @@ sub match{
return 0;
}
# go through each proc and look for a matching pid
my $proctable=Proc::ProcessTable->new;
my $procs=$proctable->table;
my $loop=1;
my $proc_int=0;
my $command;
while (
$loop &&
defined( $procs->[$proc_int] )
){
if ( $conn_pid eq $procs->[$proc_int]->{pid} ){
$command=$procs->[$proc_int]->cmndline;
# '' means it is a kernel process
if ( $command =~ /^$/ ){
$command='['.$procs->[$proc_int]->fname.']';
my $loop=0;
my $command;
if ( ! defined( $object->proc ) ){
# go through each proc and look for a matching pid
my $proctable=Proc::ProcessTable->new;
my $procs=$proctable->table;
my $proc_int=0;
my $loop=1;
while (
$loop &&
defined( $procs->[$proc_int] )
){
if ( $conn_pid eq $procs->[$proc_int]->{pid} ){
$command=$procs->[$proc_int]->cmndline;
# '' means it is a kernel process
if ( $command =~ /^$/ ){
$command='['.$procs->[$proc_int]->fname.']';
}
# exit the loop as we found it
$loop=0;
}
# exit the loop as we found it
$loop=0;
}
$proc_int++;
}
}else{
$command=$object->proc;
}
# likely a dead connection that is handing around...

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@ -0,0 +1,266 @@
package Net::Connection::Match::WChan;
use 5.006;
use strict;
use warnings;
use Proc::ProcessTable;
=head1 NAME
Net::Connection::Match::WChan - Check if the process wait channel matches fix regexp for a Net::Connection object.
=head1 VERSION
Version 0.0.0
=cut
our $VERSION = '0.0.0';
=head1 SYNOPSIS
use Net::Connection::Match::WChan;
use Net::Connection;
my $connection_args={
foreign_host=>'10.0.0.1',
foreign_port=>'22',
local_host=>'10.0.0.2',
local_port=>'12322',
proto=>'tcp4',
state=>'ESTABLISHED',
pid=>0,
wchan=>'sigwait',
};
my $conn=Net::Connection->new( $connection_args );
my %args=(
wchanss=>[
'sleep',
'sigwait',
],
);
my $checker=Net::Connection::Match::WChan->new( \%args );
if ( $checker->match( $conn ) ){
print "It matches.\n";
}
=head1 METHODS
=head2 new
This intiates the object.
The key in the hash ref commands is a array
that holds regular expressions to match against
the wait channel.
If the new method fails, it dies.
my %args=(
wchans=>[
'kernel',
],
);
my $checker=Net::Connection::Match::WChan->new( \%args );
=cut
sub new{
my %args;
if(defined($_[1])){
%args= %{$_[1]};
};
# run some basic checks to make sure we have the minimum stuff required to work
if ( ! defined( $args{wchans} ) ){
die ('No wchans key specified in the argument hash');
}
if ( ref( \$args{wchans} ) eq 'ARRAY' ){
die ('The wchans key is not a array');
}
if ( ! defined $args{wchans}[0] ){
die ('Nothing defined in the commands array');
}
my $self = {
wchans=>$args{wchans},
};
bless $self;
return $self;
}
=head2 match
Checks if a single Net::Connection object matches the stack.
One argument is taken and that is a Net::Connection object.
The returned value is a boolean.
if ( $checker->match( $conn ) ){
print "The connection matches.\n";
}
=cut
sub match{
my $self=$_[0];
my $object=$_[1];
if ( !defined( $object ) ){
return 0;
}
if ( ref( $object ) ne 'Net::Connection' ){
return 0;
}
my $conn_pid=$object->pid;
# don't bother proceeding, the object won't match ever
# as it does not have a PID
if ( ! defined( $conn_pid ) ){
return 0;
}
my $loop=0;
my $wchan;
if ( ! defined( $object->proc ) ){
# go through each proc and look for a matching pid
my $proctable=Proc::ProcessTable->new;
my $procs=$proctable->table;
my $proc_int=0;
my $loop=1;
while (
$loop &&
defined( $procs->[$proc_int] )
){
if ( $conn_pid eq $procs->[$proc_int]->{pid} ){
$wchan=$procs->[$proc_int]->wchan;
# exit the loop as we found it
$loop=0;
}
$proc_int++;
}
}else{
$wchan=$object->wchan;
}
# likely a dead connection that is handing around...
# or disappeared since grabbing the connection list
# and starting processing
if ( !defined( $wchan ) ){
return 0;
}
# check each command regex and see if any of them match
foreach my $regex ( @{ $self->{wchans} } ){
if ( $wchan =~ /$regex/ ){
return 1;
}
}
return 0;
}
=head1 AUTHOR
Zane C. Bowers-Hadley, C<< <vvelox at vvelox.net> >>
=head1 BUGS
Please report any bugs or feature requests to C<bug-net-connection-match at rt.cpan.org>, or through
the web interface at L<https://rt.cpan.org/NoAuth/ReportBug.html?Queue=Net-Connection-Match>. I will be notified, and then you'll
automatically be notified of progress on your bug as I make changes.
=head1 SUPPORT
You can find documentation for this module with the perldoc command.
perldoc Net::Connection::Match
You can also look for information at:
=over 4
=item * RT: CPAN's request tracker (report bugs here)
L<https://rt.cpan.org/NoAuth/Bugs.html?Dist=Net-Connection-Match>
=item * AnnoCPAN: Annotated CPAN documentation
L<http://annocpan.org/dist/Net-Connection-Match>
=item * CPAN Ratings
L<https://cpanratings.perl.org/d/Net-Connection-Match>
=item * Search CPAN
L<https://metacpan.org/release/Net-Connection-Match>
=back
=head1 ACKNOWLEDGEMENTS
=head1 LICENSE AND COPYRIGHT
Copyright 2019 Zane C. Bowers-Hadley.
This program is free software; you can redistribute it and/or modify it
under the terms of the the Artistic License (2.0). You may obtain a
copy of the full license at:
L<http://www.perlfoundation.org/artistic_license_2_0>
Any use, modification, and distribution of the Standard or Modified
Versions is governed by this Artistic License. By using, modifying or
distributing the Package, you accept this license. Do not use, modify,
or distribute the Package, if you do not accept this license.
If your Modified Version has been derived from a Modified Version made
by someone other than you, you are nevertheless required to ensure that
your Modified Version complies with the requirements of this license.
This license does not grant you the right to use any trademark, service
mark, tradename, or logo of the Copyright Holder.
This license includes the non-exclusive, worldwide, free-of-charge
patent license to make, have made, use, offer to sell, sell, import and
otherwise transfer the Package with respect to any patent claims
licensable by the Copyright Holder that are necessarily infringed by the
Package. If you institute patent litigation (including a cross-claim or
counterclaim) against any party alleging that the Package constitutes
direct or contributory patent infringement, then this Artistic License
to you shall terminate on the date that such litigation is filed.
Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT HOLDER
AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.
THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE EXTENT PERMITTED BY
YOUR LOCAL LAW. UNLESS REQUIRED BY LAW, NO COPYRIGHT HOLDER OR
CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT OF THE USE OF THE PACKAGE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=cut
1; # End of Net::Connection::Match

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@ -0,0 +1,13 @@
#!perl -T
use 5.006;
use strict;
use warnings;
use Test::More;
plan tests => 1;
BEGIN {
use_ok( 'Net::Connection::Match::WChan' ) || print "Bail out!\n";
}
diag( "Testing Net::Connection::Match::WChan $Net::Connection::Match::WChan::VERSION, Perl $], $^X" );